<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="" method = 'post'>
    <tr>
    <td>{{ book.name }}</td>
    <td><input type="text" name="name"></td>
    </tr>
    <br>

    <tr>
    <td>{{ book.author }}</td>
    <td><input type="text" name="author"></td>
    </tr>
    <br>

    <tr>
    <td>{{ book.price }}</td>
    <td><input type="text" name="price"></td>
    </tr>
    <br>

    <button>修改</button>
</form>

</body>
</html>